Telephone system



Dec. 21, 1943.

El 5. PETERSON TELEPHONE SYSTEM Original Filed March 24, 1941 26 Sheets-Sheet INVENTOR.

. mmQuM hQ/v Y EDWARD S. PETERSON T mmm mmw v $3 I ll. a @E g JIIL ON EDQEQ m2] BY m ATTORNEYS Dec. 21, 1943. E N 2,337,411

TELEPHONE SYSTEM -Original. Filed March 24, 1941 26 Sheets-Sheet 3 START LEAD 302 MEDIUM VOLT TEST SWITCH I a LOW VOLT 7 R330 ALARM. i /3n I 73m RECTIFIER 2 3|5 322 3|2 324 'A.c.{\ 32 RECTIFIER! 305 W ale I INVENTOR. r v EDWARD s. PETERSON /Om m ATTORNEYS Dec. 21, 1943.

E. S. PETERSON TELEPHONE SY ST EM Original Filed March 24, 1941 26 Sheets-Sheet 4 INVENTOR. EDWARD S. PETERSON m N m w A S E N m T T A INVENTOR. EDWARD S. PETERSON ,E- S. PETERSON TELEPHONE SYSTEM Original Filed March 24, 1941 26 Sheets-Sheet 5 ll t. Ii

Dec. 21, 1943.

m f y m M Ommm RMM mm 5m Dec. 21, 1943. E. s. PETERSQN TELE PHONE SYSTEM Original Filed March 24, 1941 26 Sheets-Sheet 6 m3 636 68 \Emo $80 63 Efiw 202:8 kmo 55m o FEEL 934% 6528 KEDEE E T 14 68o A EDWARD s.

ATTORNEYS E. s. PETERSON TELEPHONE SY-STEM Dec. 21, 1943.

Original Filed March 24, 1941 26 Sheets-Sheet 7 -c23| casp esse case C lO89- DEVICE LI'NK DISTRIBUTOR RELAYS TO OTHER LINKS INVENTOF EDWARD s. PETERSON BY mpm wm ATTORNEYS Dec. 21, 1943. E 5 P T RS N 2,337,411

TELEPHONE SYSTEM Original Filed March 24, 1941 26 Sheets-Sheet 8 INVENTOR. EDWARD S. PETERSON ATTORNEYS Dec. 21, 1943. I 55. PETERSON 2,337,411

TELEPHONE SYSTEM Original Filed March 24, 1941 26 Sheets-Shet 9 eel C896 v INVENTOR.

- EDWARD s. PETERSON M M M m ATTORNEYS Dec. 21, 1943. E O 2,337,411

' TELEPHONE SYSTEM Original Filed March 24, 1941 2 6 Sheets-Sheet 10 I l I J l n 1 2 on c T I: Z L 01072 EDWARD s. PETERSON m M %x ATTORNEYS v 1 Dec. 21, 1943. E. s. PETERSON 2,337,411

TELEPHONE SYSTEM 1 Original Fliled March 24, 1941 26 Sheets-Sheet ll RINGING START INVENTOR. i EDWARD SPETERSON MXWM m AT TORNE YS Dec. 21,1943. E. s. PETERSON 2,337,411

TELEPHONE SYSTEM Original Filed March 24, 1941 26 Sheets-Sheet l3 CIZI C896 FIG. I3

C784 C7 5 RINGING INTERRUPTER EDWARD s. PETERSON MAm M m ATTORNEYS Dec; 21, 1943. E. s. PETERSON 2,337,411

TELEPHONE SYSTEM Original Filed March 24, 1941 26 Sheets-Sheet l4 1 TOLL a FRE o sERv. TRK203 TOLL 8 FREE SERV. TRK204 R|49O "GU66 Cl328' rl4 2 W64 c5515 ;|4 c|797-, L C8931 r1493 W 1 291 v J TO TRUNK 92 r 204 F 4+ 2 TO sues. LINE TO SUBS. LINE 294 1 TO sues. LINE I 295 INVENTOR. EDWARD S. PETERSON ATTORNEYS v RISIO 12483 |5l| cns Dec. 21, 1943. s PETERSON 4 2,337,411

TELEPHONE SYSTEM Original Filed March 24, 1941 26 Sheets-Sheet' l6 "1 P. B.X. TRUNK INVENTOR. EDWARD S. PETERSON ATTORNEYS Dec. 21, 1943. 5. PETERSON A 2,337,411 7 TELEPHONE SYSTEM Original Filed March 24, 1941 26 Sheets-Sheet 17 TO SECOND TO LAST LINE LINE INTERCEPTINE CIRCUIT I605 TO FINDER l LINE I I SW .TCHES CIRCUIT 25 T0 LINK v DISTRIBUTO INVENT OR. EDWARD s. PETERSON,

ATTORNEYS Dec. 21, 1943. I PETERSON 2,337,411 TELEPHONE SYSTEM Original, Filed March 24, 1941 26 Sheets-Sheet l8 @TO FOURTH comygcroR um RELAY |78| clash |740 [Am TRUNK PRESELECT RELAYS I700 I RI790) R|760 I 4 Rl750 Rmo 203% v c|797.-\

Rl7l0 I 202m 1 ZOIC I I INVENTOR. EDWARD S. PETERSON M m ATTORNEYS Dec. 21, 1943. s. PETERSQBIJ 2,337,411

TELEPHONE SYSTEM Original Flile d Marc zh 24, 1941 26 Sheets-Sheet l9 INVENTOR. EDWARD S. PETERSON m'roaweys 

